Number Prefixes: Mono-, Uni-, Bi-, Tri-

1234567891011
Across
  1. 2. 3 colors
  2. 4. - eyeglass or contact lenses with two portions
  3. 8. a sporting event with 3 competitions
  4. 9. the process of becoming one
  5. 11. one single block or piece of stone
Down
  1. 1. 1,000,000,000,000
  2. 3. art in different shades of one color
  3. 5. 200 years
  4. 6. 2 years ( every other year)
  5. 7. one ruler
  6. 10. the state of being one; oneness